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yaml
---
r: 103241
b: refs/heads/master
c: 652fff3
h: refs/heads/master
i:
  103239: 039187b
v: v3
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Auke Kok authored and Jeff Garzik committed Jul 4, 2008
1 parent a6bb3d7 commit 31147c8
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Showing 8 changed files with 148 additions and 183 deletions.
2 changes: 1 addition & 1 deletion [refs]
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Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: d67ce5338c7c71313f01e508d893bb8104ce459a
refs/heads/master: 652fff321490fc3fcc8e8d302826a9c2379f03d2
115 changes: 50 additions & 65 deletions trunk/drivers/net/igb/e1000_82575.c
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Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
/*******************************************************************************
Intel(R) Gigabit Ethernet Linux driver
Copyright(c) 2007 Intel Corporation.
Copyright(c) 2007 - 2008 Intel Corporation.
This program is free software; you can redistribute it and/or modify it
under the terms and conditions of the GNU General Public License,
Expand Down Expand Up @@ -272,7 +272,7 @@ static s32 igb_read_phy_reg_sgmii_82575(struct e1000_hw *hw, u32 offset,
u32 i, i2ccmd = 0;

if (offset > E1000_MAX_SGMII_PHY_REG_ADDR) {
hw_dbg(hw, "PHY Address %u is out of range\n", offset);
hw_dbg("PHY Address %u is out of range\n", offset);
return -E1000_ERR_PARAM;
}

Expand All @@ -295,11 +295,11 @@ static s32 igb_read_phy_reg_sgmii_82575(struct e1000_hw *hw, u32 offset,
break;
}
if (!(i2ccmd & E1000_I2CCMD_READY)) {
hw_dbg(hw, "I2CCMD Read did not complete\n");
hw_dbg("I2CCMD Read did not complete\n");
return -E1000_ERR_PHY;
}
if (i2ccmd & E1000_I2CCMD_ERROR) {
hw_dbg(hw, "I2CCMD Error bit set\n");
hw_dbg("I2CCMD Error bit set\n");
return -E1000_ERR_PHY;
}

Expand All @@ -326,7 +326,7 @@ static s32 igb_write_phy_reg_sgmii_82575(struct e1000_hw *hw, u32 offset,
u16 phy_data_swapped;

if (offset > E1000_MAX_SGMII_PHY_REG_ADDR) {
hw_dbg(hw, "PHY Address %d is out of range\n", offset);
hw_dbg("PHY Address %d is out of range\n", offset);
return -E1000_ERR_PARAM;
}

Expand All @@ -353,11 +353,11 @@ static s32 igb_write_phy_reg_sgmii_82575(struct e1000_hw *hw, u32 offset,
break;
}
if (!(i2ccmd & E1000_I2CCMD_READY)) {
hw_dbg(hw, "I2CCMD Write did not complete\n");
hw_dbg("I2CCMD Write did not complete\n");
return -E1000_ERR_PHY;
}
if (i2ccmd & E1000_I2CCMD_ERROR) {
hw_dbg(hw, "I2CCMD Error bit set\n");
hw_dbg("I2CCMD Error bit set\n");
return -E1000_ERR_PHY;
}

Expand All @@ -368,7 +368,7 @@ static s32 igb_write_phy_reg_sgmii_82575(struct e1000_hw *hw, u32 offset,
* igb_get_phy_id_82575 - Retrieve PHY addr and id
* @hw: pointer to the HW structure
*
* Retreives the PHY address and ID for both PHY's which do and do not use
* Retrieves the PHY address and ID for both PHY's which do and do not use
* sgmi interface.
**/
static s32 igb_get_phy_id_82575(struct e1000_hw *hw)
Expand Down Expand Up @@ -397,18 +397,16 @@ static s32 igb_get_phy_id_82575(struct e1000_hw *hw)
for (phy->addr = 1; phy->addr < 8; phy->addr++) {
ret_val = igb_read_phy_reg_sgmii_82575(hw, PHY_ID1, &phy_id);
if (ret_val == 0) {
hw_dbg(hw, "Vendor ID 0x%08X read at address %u\n",
phy_id,
phy->addr);
hw_dbg("Vendor ID 0x%08X read at address %u\n",
phy_id, phy->addr);
/*
* At the time of this writing, The M88 part is
* the only supported SGMII PHY product.
*/
if (phy_id == M88_VENDOR)
break;
} else {
hw_dbg(hw, "PHY address %u was unreadable\n",
phy->addr);
hw_dbg("PHY address %u was unreadable\n", phy->addr);
}
}

Expand Down Expand Up @@ -440,7 +438,7 @@ static s32 igb_phy_hw_reset_sgmii_82575(struct e1000_hw *hw)
* available to us at this time.
*/

hw_dbg(hw, "Soft resetting SGMII attached PHY...\n");
hw_dbg("Soft resetting SGMII attached PHY...\n");

/*
* SFP documentation requires the following to configure the SPF module
Expand Down Expand Up @@ -475,64 +473,55 @@ static s32 igb_set_d0_lplu_state_82575(struct e1000_hw *hw, bool active)
s32 ret_val;
u16 data;

ret_val = hw->phy.ops.read_phy_reg(hw, IGP02E1000_PHY_POWER_MGMT,
&data);
ret_val = phy->ops.read_phy_reg(hw, IGP02E1000_PHY_POWER_MGMT, &data);
if (ret_val)
goto out;

if (active) {
data |= IGP02E1000_PM_D0_LPLU;
ret_val = hw->phy.ops.write_phy_reg(hw,
IGP02E1000_PHY_POWER_MGMT,
data);
ret_val = phy->ops.write_phy_reg(hw, IGP02E1000_PHY_POWER_MGMT,
data);
if (ret_val)
goto out;

/* When LPLU is enabled, we should disable SmartSpeed */
ret_val = hw->phy.ops.read_phy_reg(hw,
IGP01E1000_PHY_PORT_CONFIG,
&data);
ret_val = phy->ops.read_phy_reg(hw, IGP01E1000_PHY_PORT_CONFIG,
&data);
data &= ~IGP01E1000_PSCFR_SMART_SPEED;
ret_val = hw->phy.ops.write_phy_reg(hw,
IGP01E1000_PHY_PORT_CONFIG,
data);
ret_val = phy->ops.write_phy_reg(hw, IGP01E1000_PHY_PORT_CONFIG,
data);
if (ret_val)
goto out;
} else {
data &= ~IGP02E1000_PM_D0_LPLU;
ret_val = hw->phy.ops.write_phy_reg(hw,
IGP02E1000_PHY_POWER_MGMT,
data);
ret_val = phy->ops.write_phy_reg(hw, IGP02E1000_PHY_POWER_MGMT,
data);
/*
* LPLU and SmartSpeed are mutually exclusive. LPLU is used
* during Dx states where the power conservation is most
* important. During driver activity we should enable
* SmartSpeed, so performance is maintained.
*/
if (phy->smart_speed == e1000_smart_speed_on) {
ret_val = hw->phy.ops.read_phy_reg(hw,
IGP01E1000_PHY_PORT_CONFIG,
&data);
ret_val = phy->ops.read_phy_reg(hw,
IGP01E1000_PHY_PORT_CONFIG, &data);
if (ret_val)
goto out;

data |= IGP01E1000_PSCFR_SMART_SPEED;
ret_val = hw->phy.ops.write_phy_reg(hw,
IGP01E1000_PHY_PORT_CONFIG,
data);
ret_val = phy->ops.write_phy_reg(hw,
IGP01E1000_PHY_PORT_CONFIG, data);
if (ret_val)
goto out;
} else if (phy->smart_speed == e1000_smart_speed_off) {
ret_val = hw->phy.ops.read_phy_reg(hw,
IGP01E1000_PHY_PORT_CONFIG,
&data);
ret_val = phy->ops.read_phy_reg(hw,
IGP01E1000_PHY_PORT_CONFIG, &data);
if (ret_val)
goto out;

data &= ~IGP01E1000_PSCFR_SMART_SPEED;
ret_val = hw->phy.ops.write_phy_reg(hw,
IGP01E1000_PHY_PORT_CONFIG,
data);
ret_val = phy->ops.write_phy_reg(hw,
IGP01E1000_PHY_PORT_CONFIG, data);
if (ret_val)
goto out;
}
Expand All @@ -546,7 +535,7 @@ static s32 igb_set_d0_lplu_state_82575(struct e1000_hw *hw, bool active)
* igb_acquire_nvm_82575 - Request for access to EEPROM
* @hw: pointer to the HW structure
*
* Acquire the necessary semaphores for exclussive access to the EEPROM.
* Acquire the necessary semaphores for exclusive access to the EEPROM.
* Set the EEPROM access request bit and wait for EEPROM access grant bit.
* Return successful if access grant bit set, else clear the request for
* EEPROM access and return -E1000_ERR_NVM (-1).
Expand Down Expand Up @@ -617,7 +606,7 @@ static s32 igb_acquire_swfw_sync_82575(struct e1000_hw *hw, u16 mask)
}

if (i == timeout) {
hw_dbg(hw, "Can't access resource, SW_FW_SYNC timeout.\n");
hw_dbg("Driver can't access resource, SW_FW_SYNC timeout.\n");
ret_val = -E1000_ERR_SWFW_SYNC;
goto out;
}
Expand Down Expand Up @@ -679,7 +668,7 @@ static s32 igb_get_cfg_done_82575(struct e1000_hw *hw)
timeout--;
}
if (!timeout)
hw_dbg(hw, "MNG configuration cycle has not completed.\n");
hw_dbg("MNG configuration cycle has not completed.\n");

/* If EEPROM is not marked present, init the PHY manually */
if (((rd32(E1000_EECD) & E1000_EECD_PRES) == 0) &&
Expand Down Expand Up @@ -718,7 +707,7 @@ static s32 igb_check_for_link_82575(struct e1000_hw *hw)
* @speed: stores the current speed
* @duplex: stores the current duplex
*
* Using the physical coding sub-layer (PCS), retreive the current speed and
* Using the physical coding sub-layer (PCS), retrieve the current speed and
* duplex, then store the values in the pointers provided.
**/
static s32 igb_get_pcs_speed_and_duplex_82575(struct e1000_hw *hw, u16 *speed,
Expand Down Expand Up @@ -802,9 +791,9 @@ static s32 igb_reset_hw_82575(struct e1000_hw *hw)
*/
ret_val = igb_disable_pcie_master(hw);
if (ret_val)
hw_dbg(hw, "PCI-E Master disable polling has failed.\n");
hw_dbg("PCI-E Master disable polling has failed.\n");

hw_dbg(hw, "Masking off all interrupts\n");
hw_dbg("Masking off all interrupts\n");
wr32(E1000_IMC, 0xffffffff);

wr32(E1000_RCTL, 0);
Expand All @@ -815,7 +804,7 @@ static s32 igb_reset_hw_82575(struct e1000_hw *hw)

ctrl = rd32(E1000_CTRL);

hw_dbg(hw, "Issuing a global reset to MAC\n");
hw_dbg("Issuing a global reset to MAC\n");
wr32(E1000_CTRL, ctrl | E1000_CTRL_RST);

ret_val = igb_get_auto_rd_done(hw);
Expand All @@ -825,7 +814,7 @@ static s32 igb_reset_hw_82575(struct e1000_hw *hw)
* return with an error. This can happen in situations
* where there is no eeprom and prevents getting link.
*/
hw_dbg(hw, "Auto Read Done did not complete\n");
hw_dbg("Auto Read Done did not complete\n");
}

/* If EEPROM is not present, run manual init scripts */
Expand Down Expand Up @@ -856,18 +845,18 @@ static s32 igb_init_hw_82575(struct e1000_hw *hw)
/* Initialize identification LED */
ret_val = igb_id_led_init(hw);
if (ret_val) {
hw_dbg(hw, "Error initializing identification LED\n");
hw_dbg("Error initializing identification LED\n");
/* This is not fatal and we should not stop init due to this */
}

/* Disabling VLAN filtering */
hw_dbg(hw, "Initializing the IEEE VLAN\n");
hw_dbg("Initializing the IEEE VLAN\n");
igb_clear_vfta(hw);

/* Setup the receive address */
igb_init_rx_addrs(hw, rar_count);
/* Zero out the Multicast HASH table */
hw_dbg(hw, "Zeroing the MTA\n");
hw_dbg("Zeroing the MTA\n");
for (i = 0; i < mac->mta_reg_count; i++)
array_wr32(E1000_MTA, i, 0);

Expand Down Expand Up @@ -937,10 +926,10 @@ static s32 igb_setup_copper_link_82575(struct e1000_hw *hw)
* PHY will be set to 10H, 10F, 100H or 100F
* depending on user settings.
*/
hw_dbg(hw, "Forcing Speed and Duplex\n");
hw_dbg("Forcing Speed and Duplex\n");
ret_val = igb_phy_force_speed_duplex(hw);
if (ret_val) {
hw_dbg(hw, "Error Forcing Speed and Duplex\n");
hw_dbg("Error Forcing Speed and Duplex\n");
goto out;
}
}
Expand All @@ -953,20 +942,17 @@ static s32 igb_setup_copper_link_82575(struct e1000_hw *hw)
* Check link status. Wait up to 100 microseconds for link to become
* valid.
*/
ret_val = igb_phy_has_link(hw,
COPPER_LINK_UP_LIMIT,
10,
&link);
ret_val = igb_phy_has_link(hw, COPPER_LINK_UP_LIMIT, 10, &link);
if (ret_val)
goto out;

if (link) {
hw_dbg(hw, "Valid link established!!!\n");
hw_dbg("Valid link established!!!\n");
/* Config the MAC and PHY after link is up */
igb_config_collision_dist(hw);
ret_val = igb_config_fc_after_link_up(hw);
} else {
hw_dbg(hw, "Unable to establish link!!!\n");
hw_dbg("Unable to establish link!!!\n");
}

out:
Expand Down Expand Up @@ -1022,15 +1008,15 @@ static s32 igb_setup_fiber_serdes_link_82575(struct e1000_hw *hw)
E1000_PCS_LCTL_FDV_FULL | /* SerDes Full duplex */
E1000_PCS_LCTL_AN_ENABLE | /* Enable Autoneg */
E1000_PCS_LCTL_AN_RESTART; /* Restart autoneg */
hw_dbg(hw, "Configuring Autoneg; PCS_LCTL = 0x%08X\n", reg);
hw_dbg("Configuring Autoneg; PCS_LCTL = 0x%08X\n", reg);
} else {
/* Set PCS register for forced speed */
reg |= E1000_PCS_LCTL_FLV_LINK_UP | /* Force link up */
E1000_PCS_LCTL_FSV_1000 | /* Force 1000 */
E1000_PCS_LCTL_FDV_FULL | /* SerDes Full duplex */
E1000_PCS_LCTL_FSD | /* Force Speed */
E1000_PCS_LCTL_FORCE_LINK; /* Force Link */
hw_dbg(hw, "Configuring Forced Link; PCS_LCTL = 0x%08X\n", reg);
hw_dbg("Configuring Forced Link; PCS_LCTL = 0x%08X\n", reg);
}
wr32(E1000_PCS_LCTL, reg);

Expand Down Expand Up @@ -1071,7 +1057,7 @@ static s32 igb_configure_pcs_link_82575(struct e1000_hw *hw)
*/
reg |= E1000_PCS_LCTL_AN_RESTART | E1000_PCS_LCTL_AN_ENABLE;
} else {
/* Set PCS regiseter for forced speed */
/* Set PCS register for forced speed */

/* Turn off bits for full duplex, speed, and autoneg */
reg &= ~(E1000_PCS_LCTL_FSV_1000 |
Expand All @@ -1092,8 +1078,7 @@ static s32 igb_configure_pcs_link_82575(struct e1000_hw *hw)
E1000_PCS_LCTL_FORCE_LINK |
E1000_PCS_LCTL_FLV_LINK_UP;

hw_dbg(hw,
"Wrote 0x%08X to PCS_LCTL to configure forced link\n",
hw_dbg("Wrote 0x%08X to PCS_LCTL to configure forced link\n",
reg);
}
wr32(E1000_PCS_LCTL, reg);
Expand Down Expand Up @@ -1138,7 +1123,7 @@ static bool igb_sgmii_active_82575(struct e1000_hw *hw)
static s32 igb_reset_init_script_82575(struct e1000_hw *hw)
{
if (hw->mac.type == e1000_82575) {
hw_dbg(hw, "Running reset init script for 82575\n");
hw_dbg("Running reset init script for 82575\n");
/* SerDes configuration via SERDESCTRL */
igb_write_8bit_ctrl_reg(hw, E1000_SCTL, 0x00, 0x0C);
igb_write_8bit_ctrl_reg(hw, E1000_SCTL, 0x01, 0x78);
Expand Down
6 changes: 3 additions & 3 deletions trunk/drivers/net/igb/e1000_82575.h
View file
Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
/*******************************************************************************
Intel(R) Gigabit Ethernet Linux driver
Copyright(c) 2007 Intel Corporation.
Copyright(c) 2007 - 2008 Intel Corporation.
This program is free software; you can redistribute it and/or modify it
under the terms and conditions of the GNU General Public License,
Expand Down Expand Up @@ -56,7 +56,7 @@
#define E1000_EIMS_RX_QUEUE E1000_EICR_RX_QUEUE
#define E1000_EIMS_TX_QUEUE E1000_EICR_TX_QUEUE

/* Immediate Interrupt RX (A.K.A. Low Latency Interrupt) */
/* Immediate Interrupt Rx (A.K.A. Low Latency Interrupt) */

/* Receive Descriptor - Advanced */
union e1000_adv_rx_desc {
Expand Down Expand Up @@ -145,6 +145,6 @@ struct e1000_adv_tx_context_desc {



#define E1000_DCA_TXCTRL_TX_WB_RO_EN (1 << 11) /* TX Desc writeback RO bit */
#define E1000_DCA_TXCTRL_TX_WB_RO_EN (1 << 11) /* Tx Desc writeback RO bit */

#endif
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